Development and Pathological Changes of High Myopia Among Children and Adolescents in China

Sun Yat-sen University

Status: Unknown

Conditions: High Myopia

Treatments: Other: Observational

Study type: Observational

Funder types: Other

Identifiers

NCT03533647

SYSU-OPH-003

Details and patient eligibility

About

The study aims to observe the relationship between the changes of ocular structure parameters and pathological changes among children and adolescents with high myopia. Environmental factors and family history will also be collected to explore their impacts on high myopia progression.

Full description

This study aims to observe children and adolescents with high myopia for 3 years, and to collect data of ocular pathological changes, family history and environmental factors so as to understand the natural course and internal laws of the development of high myopia.

Enrollment: 1,400 estimated patients

Sex: All

Ages: 6 to 18 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• 9 to 18 years old school students in Guangzhou, with either eye had myopia equal or greater than 6.0D
• Or 6 to 8 years old school students in Guangzhou, with either eye had myopia equal or greater than 3.0D
• Written informed consent for study participation
• Be willing to cooperate with the relevant ophthalmological examination and complete the questionnaire.

Exclusion criteria

• None school students in Guangzhou
• Other contraindications
• A history of allergy to tropicamide or topical anesthetics
• Missing ability to give informed consent

Trial design

1,400 participants in 1 patient group

entire cohort (observational)

Description:

none (observational study)

Treatment:

Other: Observational